Climate and monthly weather forecast
San Marino

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Flag of San Marino
Flag of San Marino

The climate of San Marino

San Marino, an enclaved microstate situated on the northeastern side of the Italian Peninsula, encompasses an area of approximately 61 square kilometers. Owing to its hilly terrain, the country presents a multitude of microclimates which significantly influence its weather conditions. The Köppen classification deems San Marino to have a "Cfa" or humid subtropical climate, signifying a warm temperate, fully humid climate with hot summers. There is consistent precipitation throughout the year with the coldest month temperature staying above -3°C (26.6°F) but below 18°C (64.4°F). Summer temperatures tend to peak well beyond this range, while winters usually do not drop excessively low. The country's inland location and latitude between 25°and 35°contribute to this climate type, creating an overall mild and consistent weather pattern throughout the year.

The Best Time to Visit San Marino

San Marino's climate makes it a year-round destination. However, the most comfortable time to visit would be in the spring, from April to June, and in the autumn, from September to November. During these periods, the temperatures range from 15°C (59°F) to 25°C (77°F), allowing tourists to enjoy the outdoor attractions comfortably. These periods also tend to be slightly less crowded than the summer months, offering visitors the chance to explore the country's rich history and culture at a more leisurely pace.

The Worst Time to Visit San Marino

The peak of summer in San Marino, specifically from late July to August, could be less desirable for visitors who are not accustomed to hot weather. Temperatures can rise up to 30°C (86°F) or higher, coupled with high humidity levels. Furthermore, this period often coincides with European school holidays, leading to an influx of tourists and possibly crowded conditions. Winters, although generally mild, may see temperatures drop to 0°C (32°F), making outdoor exploration slightly more challenging.

Spring Weather in San Marino

Spring in San Marino, occurring from March to June, is generally mild and pleasant. Average temperatures fluctuate between 10°C (50°F) to 20°C (68°F), gradually increasing as summer approaches. It is also the period when the country begins to bloom, with the surrounding countryside showcasing an array of vibrant colors. The rainfall during this season is relatively moderate, ranging between 50mm (1.97") to 70mm (2.76") per month, adding a touch of freshness to the overall climate.

Summer Weather in San Marino

Summer in San Marino, which extends from June to August, is characteristically hot and humid. During these months, temperatures often rise above 30°C (86°F), particularly in July and August. Nighttime temperatures, however, provide some respite, dropping to 20°C (68°F). The summer season also sees the most rainfall, with monthly averages around 100mm (3.94"), contributing to the overall humidity.

Autumn Weather in San Marino

Autumn, from September to November, is a beautiful time in San Marino, with temperatures moderating from the summer highs. The mercury typically falls within the range of 10°C (50°F) to 20°C (68°F), and precipitation decreases from the summer levels, averaging 70mm (2.76") to 80mm (3.15") per month. The change in season paints the surrounding landscape in shades of yellow, orange, and red, adding to the country's aesthetic appeal.

Winter Weather in San Marino

Winters in San Marino, spanning December through February, are typically mild. Average temperatures range from 0°C (32°F) to 10°C (50°F), with the lowest temperatures and occasional frosts usually occurring in January. Precipitation is relatively lower during this season, averaging 50mm (1.97") per month, and predominantly falls as rain, although snowfall is not uncommon, especially in higher altitudes.

Weather in January

January, the heart of winter in San Marino, is generally the coldest month of the year. The average temperature ranges from 0°C (32°F) to 10°C (50°F). Despite its subtropical classification, the country can experience bouts of colder weather, where minimum temperatures can drop below freezing. Weather in January »

Weather in February

February continues the winter season in San Marino. However, this month typically sees a subtle transition towards slightly warmer conditions, signaling the upcoming arrival of spring. Average temperatures usually vary from 1°C (33.8°F) to 12°C (53.6°F), indicating a minor increase compared to January. Weather in February »

Weather in March

March marks the onset of spring in San Marino, bringing a discernible change in the weather. This month witnesses a gradual warming trend, with average temperatures ranging from 5°C (41°F) to 15°C (59°F). While early mornings and nights can still be chilly, daytime temperatures are considerably milder, providing more comfortable conditions for outdoor activities. Regarding precipitation, March sees an average of about 60mm (2.36"), indicating a slight increase from the winter months. Weather in March »

Weather in April

April, in the middle of spring, ushers in notably milder weather conditions in San Marino. Average temperatures typically range from 8°C (46.4°F) to 20°C (68°F), marking a significant increase from March. While the early mornings and nights can still be on the cooler side, daytime temperatures are comfortably warm, ideal for exploring the outdoors. Precipitation in April averages about 70mm (2.76"), indicating a further increase from March. Weather in April »

Weather in May

May signifies the end of spring and the transition into summer in San Marino. During this time, average temperatures can range from 12°C (53.6°F) to 24°C (75.2°F), ensuring comfortably warm conditions. The cooler mornings and evenings contrast with the increasingly hot afternoons, providing a pleasant variety in temperature throughout the day. In May, the average precipitation is around 70mm (2.76"), similar to April. Weather in May »

Weather in June

June marks the onset of summer in San Marino, with temperatures typically ranging from 16°C (60.8°F) to 28°C (82.4°F). The weather during this time is characterized by hot, sunny days and comfortably cool nights, making it an excellent time for various outdoor activities and sightseeing. Precipitation levels in June average around 70mm (2.76"), similar to the previous months of April and May. Weather in June »

Weather in July

July in San Marino signifies the peak of summer with average temperatures fluctuating from 18°C (64.4°F) to 30°C (86°F), the warmest the country experiences throughout the year. Daytime highs can soar, making afternoons particularly hot. Weather in July »

Weather in August

August continues the summer season in San Marino, with high temperatures comparable to those experienced in July. On average, temperatures fluctuate from 18°C (64.4°F) to 30°C (86°F), ensuring hot and sunny days with mild nights. Weather in August »

Weather in September

September marks the beginning of autumn in San Marino, bringing with it a gradual decrease in temperature. Average temperatures during this time range from 14°C (57.2°F) to 25°C (77°F), offering mild and comfortable weather conditions. Weather in September »

Weather in October

October continues the progression of autumn in San Marino with a further decrease in temperatures. The average temperatures during this month range from 10°C (50°F) to 20°C (68°F). The cooler mornings and nights, contrasted with moderately warm days, present a true feel of the autumn season. In terms of precipitation, October sees an average of 80mm (3.15"), representing a slight increase from September. Weather in October »

Weather in November

November in San Marino marks a deeper plunge into the autumn season, with temperatures dropping considerably compared to October. Average temperatures fluctuate from 6°C (42.8°F) to 13°C (55.4°F), with chillier mornings and evenings, and moderately cool days. Weather in November »

Weather in December

December in San Marino marks the beginning of the winter season, with a significant drop in temperatures. The average temperatures during this month vary between 1°C (33.8°F) and 8°C (46.4°F), reflecting the colder weather conditions. Weather in December »
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San Marino

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